{"id":3785,"date":"2026-04-10T07:38:49","date_gmt":"2026-04-10T07:38:49","guid":{"rendered":"https:\/\/nbaem.com\/?p=3785"},"modified":"2026-04-07T03:52:03","modified_gmt":"2026-04-07T03:52:03","slug":"eddy-current-loss","status":"publish","type":"post","link":"https:\/\/nbaem.com\/cs\/eddy-current-loss\/","title":{"rendered":"Vztah ztr\u00e1ty v\u00ed\u0159iv\u00fdmi proudy: vzorce, sni\u017eovac\u00ed metody a \u0159e\u0161en\u00ed NBAEM"},"content":{"rendered":"<p>M\u00e1 va\u0161e motory pracuj\u00ed p\u0159i vy\u0161\u0161\u00edch teplot\u00e1ch, ne\u017e by m\u011bly? Ztr\u00e1c\u00edte v\u00fdkon n\u011bkde ve sv\u00fdch magnetick\u00fdch soustav\u00e1ch? Tyto v\u00fdzvy \u0159e\u0161\u00edme od in\u017een\u00fdr\u016f ka\u017ed\u00fd den. \u010casto tich\u00fdm zabij\u00e1kem optimalizace \u00fa\u010dinnosti motor\u016f je <strong>ztr\u00e1ta v\u00ed\u0159iv\u00fdmi proudy<\/strong>.<\/p>\n<h2>Co je to ztr\u00e1ta v\u00ed\u0159iv\u00fdmi proudy?<\/h2>\n<p>Abychom pochopili ko\u0159en probl\u00e9mu, pod\u00edv\u00e1me se na <strong>Faraday\u016fv z\u00e1kon elektromagnetick\u00e9 indukce<\/strong>. Tento z\u00e1kladn\u00ed princip \u0159\u00edk\u00e1, \u017ee kdykoli je vodi\u010d vystaven m\u011bn\u00edc\u00edmu se magnetick\u00e9mu poli, v n\u011bm se generuje nap\u011bt\u00ed.<\/p>\n<p>U elektromagnetick\u00fdch za\u0159\u00edzen\u00ed, jako jsou transform\u00e1tory nebo elektrick\u00e9 motory, se st\u0159\u00eddav\u00e1 magnetick\u00e1 pole neust\u00e1le proh\u00e1n\u011bj\u00ed skrz vodiv\u00e9 magnetick\u00e9 materi\u00e1ly. Tato neust\u00e1l\u00e1 magnetick\u00e1 fluktuace vyvol\u00e1v\u00e1 lokalizovan\u00e9, kruhov\u00e9 elektrick\u00e9 proudy p\u0159\u00edmo uvnit\u0159 tuh\u00e9ho kovov\u00e9ho j\u00e1dra. T\u011bmto v\u00ed\u0159iv\u00fdm smy\u010dk\u00e1m \u0159\u00edk\u00e1me \u201ev\u00ed\u0159iv\u00e9\u201c proudy, nebo n\u011bkdy <strong>parazitn\u00ed proudy<\/strong>, proto\u017ee napodobuj\u00ed v\u00ed\u0159en\u00ed v\u00edr\u016f, kter\u00e1 se vyskytuj\u00ed v \u0159ece.<\/p>\n<p>Zde je fyzick\u00fd rozklad toho, co se d\u011bje, kdy\u017e tyto proudy vznikaj\u00ed a pro\u010d <strong>sn\u00ed\u017een\u00ed ztr\u00e1t \u017eeleza<\/strong> je tak kritick\u00e9:<\/p>\n<ul>\n<li><strong>Zadr\u017eovan\u00e1 energie:<\/strong> Proudy tancuj\u00ed ve smy\u010dk\u00e1ch v j\u00e1d\u0159e marn\u011b, nep\u0159in\u00e1\u0161ej\u00ed \u017e\u00e1dn\u00fd mechanick\u00fd ani elektrick\u00fd v\u00fdstup za\u0159\u00edzen\u00ed.<\/li>\n<li><strong>Ne\u017e\u00e1douc\u00ed teplo:<\/strong> Proto\u017ee ka\u017ed\u00e9 vodiv\u00e9 j\u00e1dro materi\u00e1lu m\u00e1 p\u0159irozen\u00fd elektrick\u00fd odpor (R), tyto cirkuluj\u00edc\u00ed proudy (I) vytv\u00e1\u0159ej\u00ed v\u00fdznamn\u00e9 t\u0159en\u00ed na atomov\u00e9 \u00farovni.<\/li>\n<li><strong>Pokles \u00fa\u010dinnosti:<\/strong> Va\u0161e u\u017eite\u010dn\u00e1 elektrick\u00e1 energie je p\u0159\u00edmo prom\u011bn\u011bna na ztracen\u00e9 tepeln\u00e9 energie. Tato tepeln\u00e1 odm\u011bna je \u0159\u00edzena standardn\u00ed rovnici ztr\u00e1t v\u00fdkonu: P = I^2 R.<\/li>\n<\/ul>\n<p>Pokud tyto v\u00ed\u0159iv\u00e9 proudy nebudeme \u0159\u00eddit, v\u00fdsledn\u00e9 nadm\u011brn\u00e9 teplo sn\u00ed\u017e\u00ed celkov\u00fd v\u00fdkon, promarn\u00ed drahou energii a nakonec zkr\u00e1t\u00ed \u017eivotnost za\u0159\u00edzen\u00ed.<\/p>\n<h2>Vysv\u011btlen\u00ed vzorce ztr\u00e1t audu v\u00ed\u0159iv\u00fdch proud\u016f<\/h2>\n<p>P\u0159i prov\u00e1d\u011bn\u00ed <strong>v\u00fdpo\u010dtu ztr\u00e1t j\u00e1dra<\/strong>spol\u00e9h\u00e1me na specifick\u00fd empirick\u00fd vzorec, kter\u00fd ur\u010duje p\u0159esn\u011b, kolik elektrick\u00e9 energie se prom\u011bn\u00ed v teplo uvnit\u0159 magnetick\u00e9ho j\u00e1dra.<\/p>\n<p>Zde je standardn\u00ed rovnice, kterou pou\u017e\u00edv\u00e1me pro v\u00fdpo\u010det t\u011bchto ztr\u00e1t v\u00fdkonu:<\/p>\n<p>P_e = k<em>e B<\/em>{max}^2 f^2 t^2 V<\/p>\n<p>Abychom to rozebrali, zde je, za co ka\u017ed\u00e1 prom\u011bnn\u00e1 stoj\u00ed:<\/p>\n<ul>\n<li><strong>P_e<\/strong>: <strong>Ztr\u00e1t eddy proud\u011bn\u00ed<\/strong> (Celkov\u00fd zbyte\u010dn\u00fd v\u00fdkon)<\/li>\n<li><strong>k_e<\/strong>: Koeficient eddy proud\u011bn\u00ed (konstanta z\u00e1visl\u00e1 na konkr\u00e9tn\u00edm materi\u00e1lu)<\/li>\n<li><strong>B_{max}<\/strong>: Maximum <strong>magnetick\u00fdch tokov\u00fdch hustot<\/strong> (V\u011bdom\u00ed <a href=\"https:\/\/nbaem.com\/cs\/how-to-measure-magnet-strength\/\">jak m\u011b\u0159it s\u00edlu magnetu<\/a> je u\u017eite\u010dn\u00e9 p\u0159i posuzov\u00e1n\u00ed meze \u0161pi\u010dkov\u00e9ho pole ve va\u0161\u00ed aplikaci)<\/li>\n<li><strong>f<\/strong>: Frekvence st\u0159\u00eddav\u00e9ho magnetick\u00e9ho pole<\/li>\n<li><strong>t<\/strong>: Tlou\u0161\u0165ka magnetick\u00e9ho materi\u00e1lu<\/li>\n<li><strong>V<\/strong>: Celkov\u00fd objem magnetick\u00e9ho j\u00e1dra<\/li>\n<\/ul>\n<p><strong>Klinick\u00e9 shrnut\u00ed:<\/strong> D\u016fkladn\u011b sledujte prom\u011bnnou tlou\u0161\u0165ky. Vzorec ur\u010duje, \u017ee ztr\u00e1ta v\u00fdkonu roste s. <em>\u010dtverec<\/em> z tlou\u0161\u0165ky materi\u00e1lu (t^2). Kv\u016fli tomuto exponenci\u00e1ln\u00edmu vztahu je jedin\u00e9 \u00fa\u010dinn\u00e9 \u0159e\u0161en\u00ed masivn\u00edho zten\u010dov\u00e1n\u00ed vodiv\u00e9ho materi\u00e1lu <strong>sn\u00ed\u017een\u00ed ztr\u00e1t \u017eeleza<\/strong>.<\/p>\n<h2>Ztr\u00e1ta v\u00ed\u0159iv\u00fdmi proudy vs. ztr\u00e1ta hyster\u00e9z\u00ed<\/h2>\n<p>P\u0159i \u0159e\u0161en\u00ed <strong>v\u00fdpo\u010dtu ztr\u00e1t j\u00e1dra<\/strong>, je d\u016fle\u017eit\u00e9 pochopit, \u017ee ob\u011b <strong>Ztr\u00e1ta v\u00ed\u0159iv\u00fdmi proudy<\/strong> a <strong>Ztr\u00e1ta hystereze<\/strong> se spoj\u00ed a vytvo\u0159\u00ed celkovou \u201eJ\u00e1drovou ztr\u00e1tu\u201c (\u010dasto naz\u00fdvanou \u201e\u017eelezn\u00e1 ztr\u00e1ta\u201c) ve va\u0161em syst\u00e9mu. A\u010dkoli k tomu doch\u00e1z\u00ed sou\u010dasn\u011b uvnit\u0159 motor\u016f a transform\u00e1tor\u016f, jejich fyzik\u00e1ln\u00ed mechaniky jsou zcela odli\u0161n\u00e9.<\/p>\n<p>Abychom dos\u00e1hli smyslupln\u00fdch <strong>sn\u00ed\u017een\u00ed ztr\u00e1t \u017eeleza<\/strong> kdy\u017e navrhujeme na\u0161e <a href=\"https:\/\/nbaem.com\/cs\/magnets-materials\/\">Magnetick\u00e9 materi\u00e1ly<\/a>, mus\u00edme \u0159e\u0161it oba jevy jednotliv\u011b. Ztr\u00e1ta hyster\u00e9zie je v podstat\u011b vnit\u0159n\u00ed t\u0159en\u00ed \u2014 doch\u00e1z\u00ed k n\u00ed, proto\u017ee magnetick\u00e9 dom\u00e9ny odol\u00e1vaj\u00ed p\u0159ep\u00edn\u00e1n\u00ed tam a zp\u011bt, jakmile se magnetick\u00e9 pole st\u0159\u00edd\u00e1. Na druhou stranu ztr\u00e1ta v\u00ed\u0159iv\u00fdmi proudy vznik\u00e1 z ne\u017e\u00e1douc\u00edho <strong>parazitn\u00ed proudy<\/strong> aktivn\u011b v\u00ed\u0159\u00edc\u00edho uvnit\u0159 vodiv\u00e9ho kovu.<\/p>\n<p>Zde je rychl\u00e9 srovn\u00e1n\u00ed, kter\u00e9 ukazuje p\u0159esn\u011b, v \u010dem se li\u0161\u00ed a jak je mitigujeme:<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Vlastnost<\/th>\n<th style=\"text-align: left;\">Ztr\u00e1ta v\u00ed\u0159iv\u00fdmi proudy<\/th>\n<th style=\"text-align: left;\">Ztr\u00e1ta hystereze<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>P\u0159\u00ed\u010dina<\/strong><\/td>\n<td style=\"text-align: left;\">Indukovan\u00e9 kruhov\u00e9 proudy te\u010d\u00edc\u00ed uvnit\u0159 vodiv\u00e9ho t\u011bla.<\/td>\n<td style=\"text-align: left;\">T\u0159ec\u00ed s\u00edla magnetick\u00fdch dom\u00e9n b\u011bhem revers\u016f magnetizace.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Formula Dependency<\/strong><\/td>\n<td style=\"text-align: left;\">Siln\u011b z\u00e1visl\u00e9 na tlou\u0161\u0165ce materi\u00e1lu \u010dtverec a na frekvenci \u010dtverc\u016f.<\/td>\n<td style=\"text-align: left;\">Z\u00e1vis\u00ed na plo\u0161e hyster\u00e9zn\u00edho smy\u010dku materi\u00e1lu a na frekvenci.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Prim\u00e1rn\u00ed mitigace<\/strong><\/td>\n<td style=\"text-align: left;\">Pou\u017e\u00edv\u00e1n\u00ed tenk\u00fdch, izolovan\u00fdch laminac\u00ed k blokov\u00e1n\u00ed cesty proudu.<\/td>\n<td style=\"text-align: left;\">Volba specializovan\u00fdch magnetick\u00fdch materi\u00e1l\u016f s n\u00edzkou koercivitou (nap\u0159. ocel s k\u0159emi\u010dit\u00fdm obsahem).<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>V\u00fdsledek<\/strong><\/td>\n<td style=\"text-align: left;\">Zbyte\u010dn\u00e9 tvorba tepla a sn\u00ed\u017een\u00e1 \u00fa\u010dinnost nap\u00e1jen\u00ed.<\/td>\n<td style=\"text-align: left;\">Zbyte\u010dn\u00e9 tvorba tepla a sn\u00ed\u017een\u00e1 \u00fa\u010dinnost nap\u00e1jen\u00ed.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Jak sn\u00ed\u017eit ztr\u00e1ty v\u00ed\u0159iv\u00fdch proud\u016f v motorech a transform\u00e1torech<\/h2>\n<p>Chceme-li dos\u00e1hnout spr\u00e1vn\u00e9 optimalizace \u00fa\u010dinnosti motoru a minimalizovat ztr\u00e1ty v\u00fdkonu transform\u00e1toru, mus\u00edme \u0159\u00eddit cestu parazitick\u00fdch proud\u016f. Zde jsou t\u0159i hlavn\u00ed strategie, kter\u00e9 pou\u017e\u00edv\u00e1me pro \u00fa\u010dinn\u00e9 sn\u00ed\u017een\u00ed \u017eelezn\u00fdch ztr\u00e1t:<\/p>\n<h3>1. Tenk\u00e9 laminace<\/h3>\n<p>Nam\u00edsto pevn\u00e9ho kusu kovu stav\u00edme j\u00e1dro z n\u011bkolika tenk\u00fdch foli\u00ed. T\u00edm fyzicky naru\u0161\u00edme vodivou cestu. Vzhledem k tomu, \u017ee ztr\u00e1ty j\u00e1dra rostou s druhou mocninou tlou\u0161\u0165ky materi\u00e1lu (t^2), rozd\u011blen\u00ed j\u00e1dra v\u00fdznamn\u011b sn\u00ed\u017e\u00ed tuto prom\u011bnnou. Integrace p\u0159esn\u011b razen\u00e9ho <a href=\"https:\/\/nbaem.com\/cs\/lamination-cores-2\/\">b\u00fdvkov\u00fdch j\u00e1dra<\/a> do va\u0161eho n\u00e1vrhu je nejp\u0159\u00edm\u011bj\u0161\u00ed cestou, jak omezit tyto ztr\u00e1ty.<\/p>\n<h3>2. Spolehliv\u00e1 izolace<\/h3>\n<p>Samo o sob\u011b nesta\u010d\u00ed jen nakr\u00e1jet kov; proudy se mohou st\u00e1le propojovat mezi vrstvami, pokud se dot\u00fdkaj\u00ed. Aplikujeme specializovan\u00e9 izoluj\u00edc\u00ed laky nebo oxidov\u00e9 povlaky mezi ka\u017edou vrstvou. Tato p\u0159\u00edsn\u00e1 bari\u00e9ra omez\u00ed proudy na jednotliv\u00e9 vrstvy a zabr\u00e1n\u00ed jejich n\u00e1soben\u00ed a neutralizaci tvorby tepla.<\/p>\n<h3>3. Materi\u00e1ly s vysokou rezistivitou<\/h3>\n<p>Zvy\u0161ov\u00e1n\u00ed elektrick\u00e9ho odporu z\u00e1kladn\u00edho materi\u00e1lu p\u0159irozen\u011b dus\u00ed ne\u017e\u00e1douc\u00ed proudy. Dosahujeme toho vyu\u017eit\u00edm laminac\u00ed z k\u0159em\u00edkov\u00e9 oceli, kde p\u0159idan\u00fd silikon zvy\u0161uje odpor bez toho, aby se omezovala magnetick\u00e1 tokov\u00e1 hustota. Pro vysokov\u00fdkonn\u00e9 synchronn\u00ed stroje s permanentn\u00edmi magnety (PMSM) pou\u017e\u00edv\u00e1me speci\u00e1ln\u00ed laminovan\u00e9 magnety, kter\u00e9 poskytuj\u00ed maxim\u00e1ln\u00ed magnetickou s\u00edlu, zat\u00edmco aktivn\u011b potla\u010duj\u00ed <strong>Ztr\u00e1ta v\u00ed\u0159iv\u00fdmi proudy<\/strong>.<\/p>\n<h3>Aplikace, kde jsou u\u017eite\u010dn\u00e9 v\u00ed\u0159iv\u00e9 proudy<\/h3>\n<p>Zat\u00edmco na\u0161\u00edm prim\u00e1rn\u00edm c\u00edlem v optimalizaci \u00fa\u010dinnosti motoru je eliminace <strong>ztr\u00e1ta v\u00ed\u0159iv\u00fdmi proudy<\/strong>, tyto lokalizovan\u00e9 proudy nejsou v\u017edy negativn\u00ed silou. Kdy\u017e jsou \u0159\u00edzeny spr\u00e1vn\u011b, principy Faradayova z\u00e1kona elektromagnetick\u00e9 indukce se st\u00e1vaj\u00ed neuv\u011b\u0159iteln\u011b cenn\u00fdmi. Nam\u00edsto boje s parasitn\u00edmi proudy in\u017een\u00fd\u0159i aktivn\u011b je vyu\u017e\u00edvaj\u00ed pro specifick\u00e9 vysoce v\u00fdkonn\u00e9 pr\u016fmyslov\u00e9 aplikace.<\/p>\n<p>Zde jsou nej\u010dast\u011bj\u0161\u00ed zp\u016fsoby, jak se tento jev vyu\u017e\u00edv\u00e1:<\/p>\n<ul>\n<li><strong>Induk\u010dn\u00ed oh\u0159ev:<\/strong> \u00damysln\u00fdm vyvol\u00e1n\u00edm masivn\u00edch v\u00ed\u0159iv\u00fdch proud\u016f uvnit\u0159 vodiv\u00e9 l\u00e1tky zachycujeme vznikaj\u00edc\u00ed teplo k rychl\u00e9mu a \u010dist\u00e9mu taven\u00ed, sva\u0159ov\u00e1n\u00ed nebo kov\u00e1\u0159stv\u00ed kov\u016f bez jak\u00e9hokoli fyzick\u00e9ho kontaktu se zdrojem tepla.<\/li>\n<li><strong>Syst\u00e9my magnetick\u00e9ho brzd\u011bn\u00ed:<\/strong> Vlakov\u00e9 soupravy s vysokou rychlost\u00ed, horsk\u00e9 dr\u00e1hy a pr\u016fmyslov\u00e9 stroje pou\u017e\u00edvaj\u00ed tyto proudy pro t\u0159en\u00ed nezpomaluj\u00edc\u00ed brzd\u011bn\u00ed. Kdy\u017e se kovov\u00fd disk proch\u00e1z\u00ed siln\u00fdm magnetick\u00fdm polem \u2014 \u010dasto poh\u00e1n\u011bn\u00fdm vysoce kvalitn\u00edmi materi\u00e1ly uveden\u00fdmi v na\u0161em <a href=\"https:\/\/nbaem.com\/cs\/guide-to-rare-earth-magnets\/\">vz\u00e1cn\u00e9 zeminy magnety<\/a>\u2014 indukuj\u00ed se proudy, kter\u00e9 vytv\u00e1\u0159ej\u00ed odpornou brzdnou s\u00edlu, kter\u00e1 zastavuje pohyb hladce a bez mechanick\u00e9ho opot\u0159eben\u00ed.<\/li>\n<li><strong>Detektory kov\u016f:<\/strong> Bezpe\u010dnostn\u00ed skenery vyd\u00e1vaj\u00ed nep\u0159etr\u017eit\u011b st\u0159\u00eddav\u00e9 magnetick\u00e9 pole. Kdy\u017e toto pole proch\u00e1z\u00ed nad skryt\u00fdmi kovy, vyvol\u00e1v\u00e1 mal\u00e9 v\u00ed\u0159iv\u00e9 proudy uvnit\u0159 nich. Tyto proudy generuj\u00ed sekund\u00e1rn\u00ed, snadno detekovatelnou magnetickou slo\u017eku, kter\u00e1 spou\u0161t\u00ed poplach skeneru.<\/li>\n<\/ul>\n<p>Pochopen\u00ed, jak vyu\u017e\u00edt tyto magnetick\u00e9 s\u00edly, je stejn\u011b d\u016fle\u017eit\u00e9 jako pochopen\u00ed, jak zabr\u00e1nit ztr\u00e1t\u00e1m \u017eeleza v laminovan\u00fdch magnetick\u00fdch j\u00e1drech.<\/p>\n<h2>NBAEM: Boj proti ztr\u00e1t\u00e1m v\u00ed\u0159iv\u00fdch proud\u016f \u00fa\u010dinn\u00fdmi \u0159e\u0161en\u00edmi<\/h2>\n<p>Pochopen\u00ed <strong>ztr\u00e1ta v\u00ed\u0159iv\u00fdmi proudy<\/strong> je jen polovinou boje; aplikace spr\u00e1vn\u00fdch materi\u00e1l\u016f je m\u00edstem, kde se skute\u010dn\u00e9 <strong>optimalizace \u00fa\u010dinnosti motoru<\/strong> d\u011bje. V NBAEM p\u0159in\u00e1\u0161\u00edme v\u00edce ne\u017e 14 let zku\u0161enost\u00ed jako p\u0159edn\u00ed dodavatel magnetick\u00fdch materi\u00e1l\u016f a zu\u017eujeme rozd\u00edl mezi teoretick\u00fdm sn\u00ed\u017een\u00edm ztr\u00e1t \u017eeleza a vysoce v\u00fdkonnou komer\u010dn\u00ed v\u00fdrobou.<\/p>\n<p>Navrhujeme sou\u010d\u00e1sti speci\u00e1ln\u011b navr\u017een\u00e9 k boji proti v\u00fdrazn\u00fdm ztr\u00e1t\u00e1m j\u00e1dra. Na\u0161e precizn\u011b vyroben\u00e9 <a href=\"https:\/\/nbaem.com\/cs\/products\/lamination-core\/\">b\u00fdvkov\u00fdch j\u00e1dra<\/a> a laminovan\u00e9 magnety jsou ur\u010deny pro vysoce n\u00e1ro\u010dn\u00e9 aplikace, v\u010detn\u011b:<\/p>\n<ul>\n<li><strong>N\u00e1vrh magnet\u016f pro elektromotory<\/strong><\/li>\n<li><strong>Permanentn\u00ed magnet synchronn\u00ed motory (PMSM)<\/strong> pro v\u00fdtahy<\/li>\n<li>Vysoce \u00fa\u010dinn\u00e9 gener\u00e1tory v\u011btrn\u00e9 energie<\/li>\n<\/ul>\n<h3>In\u017een\u00fdrsk\u00e1 v\u00fdhoda a p\u0159\u00edsn\u00e9 standardy jakosti<\/h3>\n<p>Abychom v\u00e1m pomohli p\u0159ekonat parazitn\u00ed proudy a optimalizovat va\u0161e statorov\u00e9 a rotorov\u00e9 lamin\u00e1ty, poskytujeme plnou in\u017een\u00fdrskou v\u00fdhodu:<\/p>\n<ul>\n<li><strong>V\u011bdeckov\u00fd v\u00fdzkum a v\u00fdvoj:<\/strong> N\u00e1\u0161 t\u00fdm R&amp;D se v\u00edce ne\u017e 10 \u010dlen\u016f vynik\u00e1 v n\u00e1vrhu vlastn\u00edch magnet\u016f a slo\u017eit\u00fdch magnetick\u00fdch sestav\u00e1ch, \u010d\u00edm\u017e zvy\u0161uje celkovou \u00fa\u010dinnost a sou\u010dasn\u011b aktivn\u011b sni\u017euje va\u0161e mont\u00e1\u017en\u00ed n\u00e1klady.<\/li>\n<li><strong>Prok\u00e1zan\u00e1 spolehlivost:<\/strong> Vyr\u00e1b\u00edme podle nejvy\u0161\u0161\u00edch glob\u00e1ln\u00edch norem, p\u0159i zachov\u00e1n\u00ed p\u0159\u00edsn\u00e9 shody s <strong>ISO 9001, ISO 14001, ISO\/TS16949 a PPAP \u00farovn\u011b 3<\/strong>.<\/li>\n<\/ul>\n<p>Pokud jde o minimalizaci ztr\u00e1t v\u00fdkonu a maximalizaci v\u00fdstupu, dod\u00e1v\u00e1me p\u0159esn\u011b takov\u00e9 materi\u00e1ly, kter\u00e9 va\u0161e projekty vy\u017eaduj\u00ed.<\/p>\n<h2>Kontaktujte dnes magnetick\u00e9ho specialistu<\/h2>\n<p>Zab\u00fdv\u00e1n\u00edm se nadm\u011brn\u00fdm <strong>ztr\u00e1ta v\u00ed\u0159iv\u00fdmi proudy<\/strong> ve va\u0161ich n\u00e1vrz\u00edch? Nenechte parazitn\u00ed proudy zni\u010dit optimaliza\u010dn\u00ed \u00fasil\u00ed o \u00fa\u010dinnost motoru. A\u0165 u\u017e jste in\u017een\u00fdr sna\u017e\u00edc\u00ed se vyladit magnetick\u00fd n\u00e1vrh motoru EV nebo n\u00e1kup\u010d\u00ed zaji\u0161\u0165uj\u00edc\u00ed spolehliv\u00e1 vrstven\u00e1 magnetick\u00e1 j\u00e1dra, m\u00e1me pro v\u00e1s pot\u0159ebnou odbornost.<\/p>\n<ul>\n<li><strong>Z\u00edskejte bezplatnou cenovou nab\u00eddku:<\/strong> Rychl\u00e9, konkuren\u010dn\u00ed ceny na uzp\u016fsoben\u00e9 laminy a laminovan\u00e9 permanentn\u00ed magnety.<\/li>\n<li><strong>Odborn\u00e1 konzultace:<\/strong> Pracujte p\u0159\u00edmo s na\u0161\u00edm in\u017een\u00fdrsk\u00fdm t\u00fdmem na \u0159e\u0161en\u00ed va\u0161ich konkr\u00e9tn\u00edch probl\u00e9m\u016f s redukc\u00ed \u017eelezov\u00fdch ztr\u00e1t.<\/li>\n<\/ul>\n<p>Obra\u0165te se dnes, abyste prodiskutovali sv\u00e9 vlastn\u00ed magnetick\u00e9 sestavy. Zjist\u011bte v\u00edce o na\u0161ich komplexn\u00edch <a href=\"https:\/\/nbaem.com\/cs\/service\/\">magnetick\u00fdch in\u017een\u00fdrsk\u00fdch slu\u017eb\u00e1ch<\/a> a pom\u016f\u017eeme v\u00e1m zajistit maxim\u00e1ln\u00ed \u00fa\u010dinnost a v\u00fdkon pro v\u00e1\u0161 nadch\u00e1zej\u00edc\u00ed projekt.<\/p>\n<div id=\"references\" class=\"min-w-0 scroll-mt-8 overflow-hidden\">\n<div class=\"text-[16px]\">\n<h2 id=\"references\" class=\"mb-2 mt-2 scroll-mt-24 font-serif text-[1.714286em] font-semibold border-border-l1 pb-1 border-b overflow-hidden\">Souvisej\u00edc\u00ed zdroje<\/h2>\n<\/div>\n<div class=\"flex flex-col gap-2 text-sm leading-relaxed\">\n<div class=\"break-words text-[1em] leading-7\"><a class=\"break-words text-[1em] text-blue-500 hover:underline dark:text-blue-200\" href=\"https:\/\/www.aps.anl.gov\/files\/APS-sync\/lsnotes\/files\/APS_1417924.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.aps.anl.gov\/files\/APS-sync\/lsnotes\/files\/APS_1417924.pdf<\/a><\/div>\n<div class=\"break-words text-[1em] leading-7\"><a class=\"break-words text-[1em] text-blue-500 hover:underline dark:text-blue-200\" href=\"https:\/\/www.nidec.com\/en\/technology\/motor\/glossary\/item\/eddy_current\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.nidec.com\/en\/technology\/motor\/glossary\/item\/eddy_current\/<\/a><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>P\u0159ehled fyzik\u00e1ln\u00edch vzorc\u016f pro ztr\u00e1tu v\u00ed\u0159iv\u00fdch proud\u016f a jejich redukci, spolu s laminovan\u00fdmi j\u00e1dry a magnety NBAEM pro motory s vysokou \u00fa\u010dinnost\u00ed<\/p>","protected":false},"author":1,"featured_media":3782,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2026\/04\/Eddy_Current_Loss_vEnVSLIGw.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/comments?post=3785"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3785\/revisions"}],"predecessor-version":[{"id":3793,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3785\/revisions\/3793"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media\/3782"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media?parent=3785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/categories?post=3785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/tags?post=3785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}